Twisted Firebird wheels were only available for 2000 Pontiac Firebirds model year as a special selection on a build sheet, and by some estimates, only 1-5% of all 2000 WS6 models had them. Sometimes these rims go by the name Salad Shooters.

Other Firebird With Special RIMs like mine:

Shawn's Red Dragon Firebird Trans Am WS6 - this car is a 2000 WS6, just like mine, with the special wheels - a very rare combination indeed.

Lug nuts: original OEM black 2-piece and aftermarket chrome one-piece

Originally, the wheel's lug nuts came covered with black plastic caps, which where known to fall off frequently, just as they did on my car. After having a number of them come off within the first year - probably as much as half, i bought Gorilla chrome one-piece lug nuts.